The body has pent up energy that needs to be used.

身体会把需要被消耗掉的能量禁锢起来。

youdao

She burst into tears, releasing all her pent-up emotions.

她放声大哭，发泄出全部郁积起来的情感。

《牛津词典》

Pent-up aggressive impulses demand outlets.

被压抑的攻击性冲动需要发泄。

youdao

She explains to Comus what would happen should she actually choose to break her silence, should she actually choose to unleash all of the rhetorical powers that she has pent up inside of her.

她向科玛斯解释,一旦她打破沉默将会发生些什么，一旦她真正选择揭开那些,禁锢在她内心许久的浮夸的力量。

耶鲁公开课 - 弥尔顿课程节选

This overall price increase is being made possible, in part, by pent up demand.

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This would keep some pent up bullish momentum in the tape (this would be impressive).

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Hussein, by contrast, will likely fall before the forces he is trying to keep pent up.

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